83408425 has 12 divisors (see below), whose sum is σ = 103711120. Its totient is φ = 66543120.

The previous prime is 83408399. The next prime is 83408447. The reversal of 83408425 is 52480438.

It is not a de Polignac number, because 83408425 - 2¹¹ = 83406377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5074 + ... + 13876.

Almost surely, 2^83408425 is an apocalyptic number.

It is an amenable number.

83408425 is a deficient number, since it is larger than the sum of its proper divisors (20302695).

83408425 is a wasteful number, since it uses less digits than its factorization.

83408425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9192 (or 9187 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 83408425 is about 9132.8213055988. The cubic root of 83408425 is about 436.9213902067.

The spelling of 83408425 in words is "eighty-three million, four hundred eight thousand, four hundred twenty-five".